Vitamin d supplement uses,best supplements to buy to gain muscle,4 week muscle building programme - PDF 2016

19.11.2015, admin  
Category: Body Supplement

Washington, April 4 : The lack of Vitamin D, even in generally healthy people, is linked to stiffer arteries and the inability of blood vessels to relax.
The results of a study add to evidence that lack of Vitamin D can lead to impaired vascular health, contributing to high blood pressure and the risk of cardiovascular disease. Study participants who increased their Vitamin D levels were able to improve vascular health and lower their blood pressure.
The study was led by Ibhar Al Mheid, cardiovascular researcher at Emory University School of Medicine in Atlanta, according to an Emory statement. The 554 study participants were Emory or Georgia Tech employees - average age 47 and generally healthy - who are taking part in the Centre for Health Discovery and Well Being, part of the Emory-Georgia Tech Predictive Health Institute. Even after controlling for factors such as age, weight and cholesterol, people with lower Vitamin D levels still had stiffer arteries and impaired vascular function, Al Mheid says.
Vitamin D actually refers to a group of fat-soluble compounds that serve as precursors to the active form of Vitamin D known as calcitriol. If you are taking a Vitamin D supplement, it’s most likely in the form of cholecalciferol (D3). Vitamin D is then converted by the liver into a form known as 25-hydroxyvitamin D, sometimes abbreviated as 25OHD.
Finally, in the kidneys, 25-hydroxyvitamin D is converted to 1,25 dihydroxyvitamin D (calcitriol). Vitamin D production requires exposure of a large amount of your skin to ultraviolet B (UVB) light.
The climate you live in will likely determine whether or not you can get enough Vitamin D through sun exposure alone.

However, convincing your boss to let you take a midday Vitamin D break in your bathing suit might not be feasible for many people. Recommendations for preventing deficiency and normative ranges vary quite a bit depending on who you ask. Deficiency has been linked with a variety of health problems such as cardiovascular disease, cognitive impairment, asthma in children, and even cancer.
Exposure to sunlight causes the skin to produce a form of vitamin D known as 7-dehydrocholesterol.
If you go to your doctor, or order a blood panel from an independent lab, this is usually the form that is being tested. Interestingly enough, vitamin D isn’t really a true vitamin in the strict sense of the word.
It’s essential for bone health, but also plays a role in reducing risk of chronic diseases such as diabetes, heart disease, cancers, multiple sclerosis, rheumatoid arthritis, and infectious diseases.
Generally speaking, paler skin types tend to produce more Vitamin D and darker skin types tend to produce less. Or you might avoid sun exposure due to concerns about skin cancer and skin aging from UVA exposure. Athletes in colder climates will likely need to supplement with more as they probably don’t get as much sun exposure as athletes that live in warmer climates.
It is then converted into a form known as cholecalciferol, more commonly known as Vitamin D3. Vitamin D2, or ergocalciferol, is found in plant foods like mushrooms and nuts, and is also used to fortify processed foods.

A fair skinned person might only need 10 minutes of exposure around noon while someone that is darker could need up to 2 hours of exposure. If you are fortunate enough to live in a sunny climate like San Diego, adequate sun is available almost all year round. In either case, supplementation is certainly worth considering if your Vitamin D levels are low.
Of course, you should get tested first to see if you are deficient and then consult with a qualified professional to determine how much Vitamin D you need to take.
This active form is similar to steroid hormones such as estrogen, testosterone, and cortisol.
Vitamin D is also involved in the regulation, either directly or indirectly, of hundreds of different genes in your body. However, most people aren’t sure how much vitamin D they should take or if they need to take it in the first place.
A true vitamin can’t be produced in sufficient quantities by your body and must be acquired through diet. Vitamin D can be produced by your body but many people don’t get enough sun exposure to produce adequate amounts.

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